SHIPS from USA These 10x4x2" heavy-duty white mailers provide exceptional protection for fragile items, making them ideal for shipping small parts, tools, glassware, nuts, bolts, and more. Constructed with triple-wall sides and a double-wall front and bottom, these mailers are crushproof, ensuring your items remain safe during transit. Designed for convenience, they assemble without tape or glue and save space by shipping and storing flat. With a 200 lb. test strength, these mailers guarantee durability for even the toughest shipping demands. Heavy Duty Protection ? Designed to keep fragile items safe, including tools, small parts, glassware, and more. Crushproof Construction ? Triple wall sides and double wall bottom for maximum protection during shipping. Easy to Assemble ? No need for tape or glue; quick assembly ensures hassle-free packaging. Space Saving Design ? Ships and stores flat, saving valuable storage space. 200 lb. Test Strength ? Built to withstand the rigors of heavy-duty shipping tasks.